On GPS this Sunday: The show opens with a special live segment to discuss the shooting that took place this week in Ottawa. What do we know about the attack? How serious is the threat of lone extremists? And how should Canada and others respond? Fareed offers his take before holding a panel discussion.

Next, President Barack Obama has come in for criticism for his administration’s handling of the economy, Ebola and national security. But how deserving is he of such criticism? And how will his administration be remembered? Fareed convenes a panel including Walter Isaacson, president and CEO of the Aspen Institute and the author of The Innovators: How A Group of Hackers, Geniuses, and Geeks Created the Digital Revolution, CNN Chief Political Analyst Gloria Borger, Sean Wilentz, who has written about presidents from Jefferson to Lincoln to Reagan, and Amity Shlaes, a historian and writer with four New York Times best-sellers.

Also, 50 years ago, a groundbreaking psychological experiment was conducted on preschoolers – involving marshmallows. What did the children do? What would you do? Walter Mischel, the man behind the experiment, explains what it says about self-control.

@ banasy,
No, at age three (3).
That was when a relative died and left us his piano. Within an hour, I could "pick out" music I had heard and play it.
As a result, my parents did everything they possibly could to force me to become a physician.

I have always liked marshmellows. The texture, aroma, and the flavor are so pleasant.
I remember when I was growing up in the 6th grade my friend, Lisa and I would have a slumber party with our friends and have marshmellows and cocoa at about this time of year, the autumn. She would have her cocoa, place two marshmellows and drink it slowly. When she finished she would say, "I wish the marshmellows would last longer. Don't you?" I would tell her, "Yes, I do wish the marshmellows would last longer." I never saw her after the 8th grade. Rumor has it she became an X-Ray technician and married a doctor with a beautiful home in Pennsylvania and had five adorable kids.
Good for her.

Well yes @ Joey, only that wasnt me posting that lol. And all this criticism of Obama...makes me wonder...how do people think Romney wouldve handled all this? Can you even imagine what a mess we would be in now had he been elected???

Obama will go down in history as a mediocre president. The public expectations are unfair and they want perfection. Besides, it will take another generation to fix George W.'s mess. Billions in debt and ruined foreign policy take a long time to fix.

I seriously disagree with @ report's reasonably serious post of 6:15 AM.
No president caused the USA's economic mess.
I blame it on a long period – about a century – of wishful thinking regarding economic theories that were created in a quest for Utopia.
Utopia will never exist. The original, capitalist USA was a terrific compromise with the Impossible Dream.

@ rupert....expectation leads to disapointment. And it isnt the public so much, that wants perfection! Its more Congress pointing out their percieved flaws in Obama! I dont think theyve ever felt as threatened by a POTUS as they do Obama! And i believe they feel that way because they cannot manipulate him as theyve done past POTUSs.

True chrissy. Congress does point out the president's imperfections, but the polls taken from the public show such a low approval rating. They expect too much. He is supposed to be perfect. He has been criticized for his response to Ebola, the Ukrainian problem, his bombing of ISIS, the list goes on and on.
I disagree with most criticisms of him, but not all.

@ Blue Saffron, i dont know where you live but the city i live in, population of more than 10,000 has absolutely no school district at all! So...i would say there are a great many "children left behind"! Thats a very big flaw in this "greatest nation of earth" assumption wouldnt you agree? This country sends more tax dollars to other countries to finance THEIR militarys than it spends on educating our own children!!! THATS a problem!!!!

And before you ask...yes we HAD a very nice school district a few years ago. But then our "esteemed" governor decided to cut a billion dollars from our education budget! Meanwhile giving his staff members pay increases of 82 to 90% pay increases! So before this country decides it must fix the rest of the world, maybe it should work on its OWN part of the world!

Sorry i did not mean to post "pay increases" twice in my last post but then again...i cant say it enough i guess...considering the majority of the work force in my state havent had even a 1% pay increase in YEARS! Particularly teachers!

In India, millions of girls are strangled, slowly starved or simply tossed in the trash. Moreover, in India, at least 1,370 girls are aborted every day. As a comparison, some 250 Indians die every day in road accidents. Terrorists killed about six people, on an average, every day in 2013. In the last two decades of economic debacle, 10 million girls have died as such in India.

@randy. So if I were to google your claims, they would prove to be true, and what are the top 5 countries with the highest incidents of ra_pe? Where does India place? Do you personally know of any such victim in India of this crime?

Thats true @ rupert...and as ive said so many times...expectation leads to disappointment! But then as we see so often...some people wouldnt be happy no matter who was POTUS! At least Obama has handled most criticism with dignity and grace! And he has my utmost respect. In fact i think he has been grossly UNDERPAID for all that he has had to endure from that traitorist bunch of hypocrits of Congress! And should be given combat pay and a medal of honor as well.

True, but high expectations in any context can often lead to disappoints. And I see it that way too, President Obama has brought some grace and dignity into the Oval Office that has been absent since the Reagan Administration.

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The Global Public Square is where you can make sense of the world every day with insights and explanations from CNN's Fareed Zakaria, leading journalists at CNN, and other international thinkers. Join GPS editor Jason Miks and get informed about global issues, exposed to unique stories, and engaged with diverse and original perspectives.